If a part is temporarily unavailable, you could substitute it with these parts:
Quality Parking heater glow plug for Mercedes A-Class A 200 Flex 156 hp Petrol/Ethanol
Wide selection of new parking heater glow plug for Mercedes W176 A200 Flex (176.043) Petrol/Ethanol 156 hp, priced from £159.24 to £446.24. Choose from 1 trusted manufacturers.
Auxiliary heater glow plug for MERCEDES-BENZ A-Class models
A 180 CDI (169.007, 169.307) OM 640.940
A 140 (168.031, 168.131) M 166.940
A 150 (169.031, 169.331) M 266.920
A 170 CDI (168.009, 168.109) OM 668.942
A 160 (168.033, 168.133) M 166.960
A 180 CDI / d (176.012) OM 607.951 (K9K)
A 170 (169.032, 169.332) M 266.940
A 170 CDI (168.008) OM 668.940
A 160 CDI (169.006, 169.306) OM 640.942
A 180 (176.042) M 270.910